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Borla Cat-Back Exhaust
Borla Performance Industries has released a great new Cat-Back™ system for the 2004-07 Mazda RX-8 equipped with a 1.3L rotary engine and automatic or manual transmission. This system (part #140078) installs to the flange located just after the catalyic converter and is made from full aircraft quality high quality austenitic stainless steel. Borla incorporates a single 3” mandrel bent inlet pipe leading to a 19” long, 10” wide transverse flow muffler. Exiting the muffler are two 2.25” tailpipe tip assemblies. It is a split rear system with a 4” Borla embossed single round, rolled edge, angle cut polished stainless steel tailpipe tip at each exit. The logics of automatic engineering kick in telling us that if we are increasing flow by this amount and making appropriate enhancements on the induction side, then the power numbers will be more dramatic. In fact, the Borla Exhaust for the RX-8 has a flow increase of 200CFM over stock, gains about 10 horsepower and is a full 6 pounds lighter than the factory system. This is a great hot rod, and the Borla system has the unbeatable combination of quality, performance, ease of installation and legendary Borla Sound of Power. Borla Performance Industries, the original pioneers of high quality, austinetic stainless steel (superior to T-409 or aluminized steel) free flow exhaust utilizes its patented award and race winning technology to deliver quality, sound, performance gains and enhanced fuel economy – all with an easy bolt-on installation. All BORLA street products carry the famous BORLA written million-mile warranty.
Borla Cat-back TM & Rear Section exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.
Each system is built from premium 300-series austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
Product Type
Cat-Back™ Exhaust
Pipe Diameter
Single 3" into Muffler, Exiting Dual 2.25"
Tip Size
3.5" x 2.75"
Tip Description
Single Round Rolled Angle-Cut Lined
Tip #
35
Exit
Single Split Rear Exit
Fits
2004-2008 Mazda RX-8 1.3L Wankel Rotary RWD Automatic/Manual Trans 2-Door
